A.5%~10%B.10%~30%C.30%~50%D.50%~70%E.>70%
A.<1%B.<2%C.>1%D.>2%E.無意義
A.≤40mmol/LB.≤20mmol/LC.≥40mmol/LD.≥20mmol/LE.≥10mmol/L